One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,6,5)(3,9,11,7)(4,12,14,8)(10,15,13,16)(17,18)(19,24)(20,30)(21,25)(22,26)(23,27)(28,32)(29,31)(33,34)(35,36)(37,41)(38,39)(40,44)(42,43)(45,46)(47,48)(1,2,6,5)(3,7,11,9)(4,12,14,8)(10,16,13,15)(17,19)(18,24)(20,22)(21,31)(23,28)(25,29)(26,30)(27,32)(34,39)(35,40)(41,46)(42,47)(2,5)(7,9)(8,12)(15,16)(19,28)(22,29)(24,32)(26,31)(33,35,38,40)(34,36,39,44)(37,42,45,47)(41,43,46,48)(1,3,6,11)(2,7,5,9)(4,13,14,10)(8,16,12,15)(17,20)(18,21)(19,29)(22,28)(23,25)(24,26)(27,30)(31,32)(33,36)(34,40)(35,39)(37,43)(38,44)(41,47)(42,46)(45,48)(1,4,6,14)(2,8,5,12)(3,10,11,13)(7,15,9,16)(17,21)(18,25)(19,26)(20,27)(22,24)(23,30)(28,31)(29,32)(33,37,38,45)(34,41,39,46)(35,42,40,47)(36,43,44,48)(1,5,6,2)(3,9,11,7)(4,12,14,8)(10,16,13,15)(17,22,23,29)(18,26,27,31)(19,20,28,25)(21,24,30,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.